A chilling Princeton University simulation called Plan A models how a limited tactical nuclear exchange between NATO and Russia escalates into full-scale nuclear war within hours. The published ...

The modelling, based on a potential Russian strike on U.S. missile facilities, suggests some regions could be less affected than others, though experts stress that nowhere would be truly safe, reports ...

Add Yahoo as a preferred source to see more of our stories on Google. Concerns about the potential for nuclear war have heated up recently after the U.S. and Israel attacked Iran, intending to stop ...

Concerns about the potential for nuclear war have heated up recently after the U.S. and Israel attacked Iran, intending to stop that nation's quest for nuclear weapons. Even prior to the start of the ...